Brand: THE NORTH FACE Product Name: Fourbarrel Triclimate Jacket Product Number: NS61904 Features: This is a 3-way jacket set consisting of a waterproof and breathable outer shell and a highly insulating inner down jacket (with fill). The inner jacket uses "PRIMALOFT®," a lightweight and highly insulating high-performance fill material. The outer and inner jackets can be zipped together for "zip-in" wear, allowing them to be used separately or in combination depending on the temperature and weather. It has high functionality and can also be used as ski wear. This is only the inner down jacket.